| 摘要 |
PROBLEM TO BE SOLVED: To minimally prevent moistening by rain because there is no eave in the case of standing in front of an entrance when a shutter is opened in the case of a rainfall. SOLUTION: In the shutter, in which irregular fitting sections are formed to slender tie plates 15a-15n and joined together and one door 14 is manufactured and winding and rewinding are guided by grooved left - right guide rails 10 installed on both sides of the door 14 by a wind-up drum 2 rotated manually or by electric driving, the left - right guide rails 10 are divided into a left - right lower rail 12 and a left - right upper rail 11, and the left - right lower rail 12 is fixed and the left-left upper rail 11 is mounted in a rockable manner, using the upper ends of the rail 11 as a supporting point and a wire 18 connected at the lower end of the left - right upper rail 11 can be wound and rewound manually or by electric driving.
|
